25275505 has 8 divisors (see below), whose sum is σ = 31649472. Its totient is φ = 19341168.

The previous prime is 25275493. The next prime is 25275517. The reversal of 25275505 is 50557252.

It is an interprime number because it is at equal distance from previous prime (25275493) and next prime (25275517).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25275505 - 2¹³ = 25267313 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109779 + ... + 110008.

It is an arithmetic number, because the mean of its divisors is an integer number (3956184).

Almost surely, 2^25275505 is an apocalyptic number.

It is an amenable number.

25275505 is a deficient number, since it is larger than the sum of its proper divisors (6373967).

25275505 is a wasteful number, since it uses less digits than its factorization.

25275505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219815.

The product of its (nonzero) digits is 17500, while the sum is 31.

The square root of 25275505 is about 5027.4750123695. The cubic root of 25275505 is about 293.4719608468.

It can be divided in two parts, 252 and 75505, that added together give a palindrome (75757).

The spelling of 25275505 in words is "twenty-five million, two hundred seventy-five thousand, five hundred five".